Merge "[Status Bar Refactor] 3/3: Remove HeadsUpAppearanceController#destroy and migrate the controller to a ViewController model instead." into sc-v2-dev am: 2ed5777693 am: ab341d5ec4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16250381

Change-Id: Ibe939ab10a68e9b3ac91c002124f15145fafa1b6